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Topic: synaptic density

ePoster
2 ePosters

In Biology and Computational Neuroscience

ePoster · Neuroscience

A synergistic core for human brain evolution and cognition

Andrea Luppi · Neuromatch 5

Wed, Sep 28, 2022

How does the organization of neural information processing enable humans’ sophisticated cognition? Here we decompose functional interactions between brain regions into synergistic and redundant components, revealing their distinct information-processing roles. Combining functional, structural, and diffusion-weighted MRI with meta-analytic results from NeuroSynth, we demonstrate that redundant interactions are predominantly associated with structurally coupled, modular sensorimotor processing. Synergistic interactions instead support integrative processes and complex cognition across higher-or

ePoster · Computational Neuroscience

Accelerating bio-plausible spiking simulations on the Graphcore IPU

Catherine Schöfmann, Jan Finkbeiner, Susanne Kunkel · Bernstein Conference 2024

Since the popularization of GPUs for machine learning (ML) workloads, several dedicated accelerator chips have emerged, offering architectures optimized for common ML operations and requirements. The types of tasks targeted by such platforms however - often sparse and highly parallel - are not confined to the realm of traditional layer-based learning. Established simulators for large-scale spiking networks with biologically plausible connectivity and synaptic density have historically targeted CPUs, with GPU support and ports being a relatively recent development[1][2]. Here, we present a work